[PRISM] Fix TestTRICK#test_ksk_1

If an array element is a static literal that does not result in a
intermediate array, it still needs to be compiled normally.

prism_compile.c

@@ -5793,6 +5793,8 @@ pm_compile_node(rb_iseq_t *iseq, const pm_node_t *node, LINK_ANCHOR *const ret,
                         }
                     }
                     else {
+                        PM_COMPILE_NOT_POPPED(element);
+                        if (++new_array_size >= max_new_array_size) FLUSH_CHUNK;
                         static_literal = true;
                     }
                 } else {